OT-2026-000049728
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049728) never changes.
Identity and time
| Publication number | OT-2026-000049728 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8fef-707b-a3f0-7a6f5c3842a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f986c0855a7f808e2cb66371c27958f51eacbcea428abd7ad4ed73957ba4b70 |
|---|---|
| Markdown | b586b824b66e4a8f763deeaf37974bf41f62d14c593240b97a25f142e3fbc290 |
| Publication page | 6d9457f80c06b7548e929f05dc8ced02735e75f5519ad5801d4b0e5fe2b84aea |
| Manifest | 7496b8d03d73d4c442dd4c23f44660fcfce1dfc3f8bf41473c3f315f08ecd41c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | py8bdoZNv8z4VVlvNRhA/zvUbo2oHH7a4AJhTWdTO08QQo9YmoD3NBt+X27hKtu1rYuNxCPFEvpLUat0sr2iBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:02:45.013127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049728observed 6d9457f80c06b7548e929f05dc8ced02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:44.992076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049728/manifest.jsonobserved 7496b8d03d73d4c442dd4c23f44660fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:44.971935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049728/publication.mdobserved b586b824b66e4a8f763deeaf37974bf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:44.951703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049728/publication.txtobserved 8f986c0855a7f808e2cb66371c27958f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|